/* Compact regular view only when its natural layout exceeds the viewport height. */
@media (min-width: 761px) {
  body.fit-viewport:not(.stream-view) {
    height: 100dvh;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
  }

  body.fit-viewport:not(.stream-view) header {
    height: auto;
    min-height: clamp(60px, 8dvh, 86px);
    padding-block: 10px;
    gap: 10px;
    flex-wrap: wrap;
  }

  body.fit-viewport:not(.stream-view) main {
    width: 100%;
    height: 100%;
    min-height: 0;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    gap: clamp(10px, 1.6dvh, 20px);
    padding-top: clamp(12px, 2dvh, 26px);
  }

  body.fit-viewport:not(.stream-view) .intro {
    align-items: center;
    gap: 24px;
    margin: 0;
  }

  body.fit-viewport:not(.stream-view) .intro .eyebrow {
    margin: 0 0 7px;
    font-size: 9px;
  }

  body.fit-viewport:not(.stream-view) h1 {
    font-size: clamp(36px, min(4.5vw, 6.5dvh), 64px);
    line-height: 1;
    margin: 0;
  }

  body.fit-viewport:not(.stream-view) h1 br {
    display: none;
  }
  body.fit-viewport:not(.stream-view) h1 em {
    margin-left: 0.15em;
  }

  body.fit-viewport:not(.stream-view) .lede {
    font-size: 12px;
    line-height: 1.5;
    margin: 0;
  }

  body.fit-viewport:not(.stream-view) .layout {
    min-height: 0;
    grid-template-rows: minmax(0, 1fr);
  }

  body.fit-viewport:not(.stream-view) .stage {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    min-height: 0;
    height: 100%;
    align-self: stretch;
  }

  body.fit-viewport:not(.stream-view) .arena {
    position: relative;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    background: #101510;
  }

  body.fit-viewport:not(.stream-view) .arena canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    aspect-ratio: auto;
    object-fit: contain;
  }

  body.fit-viewport:not(.stream-view) .stage-top {
    padding: clamp(9px, 1.4dvh, 15px) 16px;
    gap: 12px;
  }

  body.fit-viewport:not(.stream-view) .stage-bottom {
    padding: 6px 12px;
    gap: 8px;
    flex-wrap: wrap;
  }

  body.fit-viewport:not(.stream-view) footer {
    padding: 0 0 clamp(10px, 1.6dvh, 20px);
    gap: 16px;
    font-size: 8px;
  }
}

@media (min-width: 761px) and (max-width: 1100px) {
  body.fit-viewport:not(.stream-view) .brand small {
    display: none;
  }
  body.fit-viewport:not(.stream-view) .lede {
    display: none;
  }
}

/* Scale the presentation with the capture width, including native 4K displays. */
body.stream-view {
  --stream-font: clamp(14px, min(1.05vw, 1.85dvh), 36px);
  font-size: var(--stream-font);
  height: 100dvh;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.stream-view header {
  height: auto;
  min-height: clamp(60px, 4.5vw, 150px);
  padding: 12px 2%;
  gap: 16px;
}

.stream-view .brand {
  font-size: clamp(32px, 2.7vw, 92px);
}

.stream-view .brand small {
  font-size: clamp(10px, 0.72vw, 26px);
  max-width: 12em;
}

.stream-view .connection,
.stream-view .connection button {
  font-size: clamp(12px, 0.9vw, 30px);
}

.stream-view .connection {
  gap: 0.8em;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.stream-view main {
  max-width: none;
  width: 100%;
  height: 100%;
  min-height: 0;
  margin: 0;
  padding: 1dvh 2%;
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  align-self: stretch;
}

.stream-view .intro,
.stream-view footer {
  display: none;
}

.stream-view .layout {
  grid-template-columns: minmax(0, 1fr) clamp(330px, 25vw, 860px);
  grid-template-rows: minmax(0, 1fr);
  gap: 1.2vw;
  align-items: stretch;
  height: 100%;
  min-height: 0;
}

.stream-view .stage {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  height: 100%;
  min-height: 0;
  align-self: stretch;
}

.stream-view .arena {
  position: relative;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
  background: #101510;
}

.stream-view .arena canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  object-fit: contain;
}

.stream-view aside {
  padding: clamp(14px, 1.15dvh, 32px);
  min-height: 0;
  overflow-y: auto;
}

.stream-view .stage-top {
  font-size: clamp(12px, 0.92vw, 32px);
  padding: 0.9em 1.2em;
}

.stream-view .stage-bottom {
  font-size: clamp(11px, 0.82vw, 28px);
  padding: 0.7em;
  gap: 8px;
  flex-wrap: wrap;
}

.stream-view .stage-bottom .quiet {
  font-size: inherit;
}

.stream-view .stage-bottom b {
  margin-left: 0.6em;
}

.stream-view .panel-heading .eyebrow,
.stream-view .tag {
  font-size: clamp(10px, 0.65vw, 22px);
  letter-spacing: 1px;
}

.stream-view h2 {
  font-size: 2.1em;
  margin: 0.35em 0 0.2em;
}

.stream-view .muted {
  font-size: 1em;
  color: #c1cbb7;
  line-height: 1.5;
}

.stream-view .parts {
  gap: 0.65em;
  margin: 1em 0;
}

.stream-view .part {
  padding: 0.85em 0.65em;
  gap: 0.65em;
}

.stream-view .part .icon {
  width: 1.15em;
  font-size: 2em;
}

.stream-view .part strong {
  font-size: 1.35em;
}

.stream-view .part small {
  font-size: 0.8em;
  color: #c1cbb7;
  line-height: 1.4;
}

.stream-view .part > b {
  font-size: 1.8em;
}

.stream-view .simulation {
  font-size: 0.9em;
  padding-bottom: 1em;
}

.stream-view .simulation small {
  font-size: 0.8em;
}

.stream-view .simulation label span {
  font-size: 0.7em;
}

.stream-view .primary {
  font-size: 1em;
  padding: 0.85em 1em;
}

.stream-view .actions {
  margin: 0.6em 0 1.2em;
}

.stream-view .actions button {
  font-size: 0.8em;
  padding: 0.65em 0.4em;
}

.stream-view .feed-heading {
  font-size: 0.76em;
  color: #c4cfb9;
  letter-spacing: 0.5px;
  padding-bottom: 0.8em;
  gap: 8px;
}

.stream-view #feed {
  font-size: 0.95em;
  flex: 1 0 auto;
  height: 0;
  min-height: 7em;
  max-height: none;
}

.stream-view li {
  font-size: 0.95em;
  padding: 0.65em 0;
  gap: 10px;
}

.stream-view li span {
  flex-shrink: 0;
}

#feed {
  font-size: 12px;
  height: clamp(7em, 30dvh, 28em);
  min-height: 7em;
  max-height: none;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: #899d6d #20291b;
}

/* Keep controls at their natural size and give spare panel height to names.
The feed retains three readable rows when a short viewport needs scrolling. */
aside {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

aside > :not(#feed) {
  flex-shrink: 0;
}

@media (min-width: 761px) {
  /* Let the arena set the grid row height; workshop content scrolls inside it. */
  .layout > aside {
    contain: size;
    align-self: stretch;
    min-height: 0;
    overflow-y: auto;
  }
  #feed {
    flex: 1 0 auto;
    height: 0;
  }
}

#feed li {
  font-size: inherit;
  gap: 10px;
  line-height: 1.4;
  padding: 0.45em 0;
}

#feed .contributor-name {
  min-width: 0;
  flex: 1 1 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: inherit;
}

.stage:fullscreen {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  width: 100vw;
  height: 100dvh;
}

.stage:fullscreen .arena {
  position: relative;
  min-height: 0;
  min-width: 0;
}

.stage:fullscreen canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  object-fit: contain;
  max-height: none;
  max-width: none;
  margin: 0;
}

.stream-view #announcement {
  font-size: var(--stream-font);
  bottom: 12%;
}

[aria-pressed='true'] {
  border-color: var(--lime);
  color: var(--lime);
}

@media (max-width: 850px) {
  body.stream-view {
    height: auto;
    min-height: 100dvh;
    overflow: auto;
    display: block;
  }
  .stream-view main {
    height: auto;
    display: block;
  }
  .stream-view .layout {
    height: auto;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .stream-view .stage {
    height: auto;
    display: block;
  }
  .stream-view .arena canvas {
    position: static;
    height: auto;
    aspect-ratio: 1100 / 660;
  }
  .stream-view .stage:fullscreen {
    height: 100dvh;
    display: grid;
  }
  .stream-view .stage:fullscreen canvas {
    position: absolute;
    height: 100%;
    aspect-ratio: auto;
  }
  .stream-view aside {
    contain: none;
    overflow: visible;
  }
  .stream-view #feed {
    flex: none;
    height: clamp(7em, 35dvh, 28em);
  }
  .stream-view header {
    flex-wrap: wrap;
  }
  .stream-view .connection {
    justify-content: flex-start;
  }
}

/* Size controls from the panel itself, including short, wide viewports.
Only the arena determines the height of a side-by-side grid row. */
.layout > aside {
  container-type: size;
  contain: size;
  align-self: stretch;
  min-height: 0;
  padding: 0;
  overflow: hidden;
}

.layout > aside > .workshop {
  --workshop-font: min(36px, 4.2cqw, 1.6cqh);
  font-size: var(--workshop-font);
  flex: 1 1 0;
  min-height: 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 1em;
}

.workshop > :not(#feed) {
  flex-shrink: 0;
}

.workshop .panel-heading .eyebrow,
.workshop .tag {
  font-size: 0.65em;
  letter-spacing: 0.08em;
}

.workshop .tag {
  padding: 0.4em;
}

.workshop h2 {
  font-size: 2.1em;
  margin: 0.35em 0 0.2em;
}

.workshop .muted {
  font-size: 1em;
  line-height: 1.5;
  margin: 0 0 1em;
}

.workshop .parts {
  gap: 0.65em;
  margin: 0 0 1em;
}

.workshop .part {
  padding: 0.85em 0.65em;
  gap: 0.65em;
}

.workshop .part .icon {
  width: 1.15em;
  font-size: 2em;
}

.workshop .part strong {
  font-size: 1.35em;
}

.workshop .part small {
  font-size: 0.8em;
  line-height: 1.4;
  margin-top: 0.3em;
}

.workshop .part > b {
  font-size: 1.8em;
}

.workshop .simulation {
  font-size: 0.9em;
  padding-bottom: 1em;
}

.workshop .simulation label {
  gap: 0.4em;
}

.workshop .simulation input {
  width: 1em;
  height: 1em;
  margin: 0.2em;
}

.workshop .simulation small {
  font-size: 0.8em;
  margin: 0.6em 0 0 0.3em;
}

.workshop .simulation label span {
  font-size: 0.7em;
}

.workshop .primary {
  font-size: 1em;
  padding: 0.85em 1em;
}

.workshop .actions {
  gap: 0.4em;
  margin: 0.6em 0 1.2em;
}

.workshop .actions button {
  font-size: 0.8em;
  padding: 0.65em 0.4em;
}

.workshop .feed-heading {
  font-size: 0.76em;
  letter-spacing: 0.04em;
  padding-bottom: 0.8em;
  gap: 0.6em;
}

.workshop #feed {
  --contribution-rows: 7;
  --contribution-height: calc(var(--contribution-rows) * (2.3em + 1px));
  font-size: 0.95em;
  flex: 0 0 auto;
  height: var(--contribution-height);
  min-height: 0;
  max-height: var(--contribution-height);
  overflow: auto;
  scrollbar-width: none;
  scrollbar-gutter: auto;
}

.workshop #feed::-webkit-scrollbar {
  display: none;
}

.workshop #feed li {
  font-size: inherit;
  line-height: 1.4;
  padding: 0.45em 0;
  gap: 0.7em;
}

/* Stacked panels have a natural height instead of a constrained arena height. */
@media (max-width: 760px) {
  .layout > aside {
    container-type: inline-size;
    contain: inline-size;
  }
  .layout > aside > .workshop {
    --workshop-font: min(18px, 4.2cqw);
    flex: auto;
  }
  .workshop #feed {
    flex: none;
    height: var(--contribution-height);
  }
}

@media (max-width: 850px) {
  .stream-view .layout > aside {
    container-type: inline-size;
    contain: inline-size;
  }
  .stream-view .layout > aside > .workshop {
    --workshop-font: min(18px, 4.2cqw);
    flex: auto;
  }
  .stream-view .workshop #feed {
    flex: none;
    height: var(--contribution-height);
  }
}